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Earth Layers Quiz

Completion
Complete each statement.
 

 1. 

The three main layers that make up the Earth are the ____________, ____________, and __________________.
 

 

Matching
 
 
a.
A layer of Earth where humans live
e.
Humans usually feel this when plates move
b.
Middle layer of the Earth that is the largest and can be broken into two parts
f.
Made up of solid rock that contains iron and nickle
c.
The rate at which the Earth’s temperature increases with depth
g.
Lower layer in the upper mantle where rocks are described as being like road tar
d.
Top layer of the upper mantle that contains strong rocks
 

 2. 

Mantle
 

 3. 

Lithosphere
 

 4. 

Aesthenosphere
 

 5. 

Earthquakes
 

 6. 

Crust
 

 7. 

Inner Core
 

 8. 

Geothermal gradient
 

Short Answer
 

 9. 

What type of evidence do we have of the Earth’s interior?
 

 10. 

Explain the following equation (make sure that you link these two geologists’ ideas together)



Alfred Wegner          +             Arthur Holmes = Plate Tectonics
 

 11. 

The movement in the outer core is responsible for___________________________. Explain what happens to our Earth with this concept.
 



 
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